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Posted to dev@hbase.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2019/01/29 21:42:00 UTC

[jira] [Created] (HBASE-21806) add an option to roll WAL on very slow syncs

Sergey Shelukhin created HBASE-21806:
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             Summary: add an option to roll WAL on very slow syncs
                 Key: HBASE-21806
                 URL: https://issues.apache.org/jira/browse/HBASE-21806
             Project: HBase
          Issue Type: Bug
            Reporter: Sergey Shelukhin
            Assignee: Sergey Shelukhin


In large heterogeneous clusters sometimes a slow datanode can cause WAL syncs to be very slow. In this case, before the bad datanode recovers, or is discovered and repaired, it would be helpful to roll WAL on a very slow sync to get a new pipeline.



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